When to Resize vs Crop an Image
Resizing scales the entire image while keeping all content. Cropping removes parts of the image. If you want to fit an image into a different size container while keeping all its content — resize. If you want to focus on a specific part — crop.
Common Resize Scenarios
- Email attachments: Reduce a 5MB photo to under 500KB by resizing to 1200px wide
- Website images: Resize hero images to exactly 1920×1080
- Social media: Each platform has specific required dimensions
- Profile photos: Standardize to 400×400 for consistency
Step-by-Step: Resize Online
- Open Image Resizer.
- Upload your image.
- Enter target width and/or height in pixels.
- Lock aspect ratio to avoid distortion (recommended).
- Download the resized image.
Maintain Quality When Resizing Down
Reducing an image's size always results in some quality loss (fewer pixels = less detail). For web, resize to exactly the display size — never larger. A 300px-wide image displayed at 300px looks sharper than a 3000px image scaled down by CSS.